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CPC Subgroup
C03B 27/06

for glass products other than flat or bent glass plates, e.g. hollow glassware, lenses

Full Title

Tempering glass products > using gas > for glass products other than flat or bent glass plates, e.g. hollow glassware, lenses

3 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class C03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CORNING US 9,559
  2. SAINT-GOBAIN GLASS FR 3,824
  3. NIPPON ELECTRIC GLASS COMPANY JP 2,792
  4. SCHOTT DE 2,029
  5. AGC JP 1,938
  6. ASAHI GLASS COMPANY JP 1,679
  7. CORNING 1,650
  8. NIPPON ELECTRIC GLASS COMPANY 1,501
  9. A G C 1,049
  10. O-I (OWENS-ILLINOIS) US 1,027